(19)

(11)

EP 0 778 884 A1

(12)

(43) Date of publication: 18.06.1997 Bulletin 1997/25 (21) Application number: 95931056.0 (22) Date of filing: 01.09.1995

(51) International Patent Classification (IPC):  C12N 15/ 09( . ) C12N 1/ 19( . ) C12R 1/ 85( . ) C07K 14/ 75( . ) C12P 21/ 00( . ) (86) International application number: PCT/US1995/011139 (87) International publication number: WO 1996/007728 (14.03.1996 Gazette 1996/12)

(84) Designated Contracting States: CH DE FR GB IT LI NL (30) Priority: 02.09.1994 US 19940300622 (71) Applicant: New York Blood Center, Inc. New York, New York 10021 (US)	(72) Inventor: ROY, Samar, Nath Paramus, NY 07652 (US) (74) Representative: Cohausz & Florack  Patentanwälte Kanzlerstrasse 8a 40472 Düsseldorf 40472 Düsseldorf (DE)